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  <script>
    let k
    let arr = [5,4,55,1,5,31,51,53,15,35,3,531,351,51,35,13,153,15]
    for(let i = 0; i < arr.length; i++){
      for(let j = 0; j < arr.length; j++){
        if(arr[j] > arr[j+1]){
          k = arr[j+1]
          arr[j+1] = arr[j]
          arr[j] = k
        }
      }
    }
    console.log(arr)
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